Cooling duct for refrigerator



FIG. 1 is a perspective view of cooling duct for refrigerator showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left-side elevational view thereof;

FIG. 5 is a right-side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a referential view 1 thereof.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for cooling duct for refrigerator, as shown and described. 